.footer {
    display: none;
    position: absolute;
    border-top: 1px solid $bd-color;
    right: 0;
    bottom: 0;
    left: 0;
    height: 30px;
    background-color: #FFF;
    .border-btn {
        position: absolute;
        top: 0;
        left: 0;
        margin: 5px 10px;
        border: 1px solid $bd-color;
        padding: 0 15px;
        height: 20px;
        line-height: 18px;
        font-size: 11px;
        color: $main-color;
        background-color: transparent;
        @include transition(.2s);
        @include boxSizing(border-box);
        @include borderRadius();
        &:focus, &:hover {
            color: #FFF;
            border-color: $main-color;
            background-color: $main-color;
        }
    }
    .last-update {
        position: absolute;
        top: 0;
        right: 0;
        margin: 5px 10px;
        line-height: 20px;
        font-size: 11px;
        color: $gray;
    }
    
    .made-by {
        text-align: center;
        color: $gray;
        line-height: 30px;
        .smallsat {
            font-size: 14px;
        }
        .dext {
            font-size: 11px;
        }
    }
}

@media screen and (min-width: $vw-small){
    .footer {
        display: block;
    }
}